<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // let ojb ={
        //     name:'11111',
        //     arr:[1,2,4]
        // }
        // const obj2 = {...ojb}
        // console.log(obj2);
        // let arr1 = [11,2,4,[2,4,2,2,[2,2,2,124]]]
        // const arr2 = [...arr1]
        let ojb = {
            name:'aaa'
        }
        let Person = function(){

        }
        Person.prototype.name = '1aaaa'
        // function Person (){
        //     console.log('asaf');
        // }
        
        console.log( Person.prototype.name);
    </script>
</body>
</html>